Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Ottawa to Las Vegas from $146

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Las Vegas departing on 9/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ottawa to Las Vegas

Cheap round-trip flights

WestJet Logo
5:55 am - 5:34 pmYOW-LAS
14h 39m2 stops
WestJet Logo
3:55 pm - 6:45 amLAS-YOW
11h 50m2 stops
$261WestJet
Find Deal
Sun, Oct 19 - Thu, Oct 23
WestJet Logo
5:55 am - 5:34 pmYOW-LAS
14h 39m2 stops
WestJet Logo
8:00 am - 12:22 amLAS-YOW
13h 22m2 stops
$262WestJet
Find Deal
Wed, Oct 8 - Wed, Oct 15
WestJet Logo
3:45 pm - 9:29 pmYOW-LAS
8h 44m1 stop
WestJet Logo
12:35 pm - 12:22 amLAS-YOW
8h 47m1 stop
$263WestJet
Find Deal
Thu, Oct 16 - Wed, Oct 22
Logo
5:55 am - 11:39 amYOW-LAS
8h 44m1 stop
Logo
9:10 pm - 2:44 pmLAS-YOW
14h 34m1 stop
$287
Find Deal
Wed, Oct 8 - Wed, Oct 15
Porter Airlines Logo
5:05 pm - 9:55 pmYOW-LAS
7h 50m1 stop
Porter Airlines Logo
12:40 pm - 12:41 amLAS-YOW
9h 01m1 stop
$288Porter Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
Air Canada Logo
11:05 am - 10:22 pmYOW-LAS
14h 17m1 stop
Air Canada Logo
11:30 pm - 9:23 amLAS-YOW
6h 53m1 stop
$289Air Canada
Find Deal
Thu, Oct 23 - Mon, Oct 27
Logo
5:55 am - 11:39 amYOW-LAS
8h 44m1 stop
Logo
9:10 pm - 2:44 pmLAS-YOW
14h 34m1 stop
$290
Find Deal
Wed, Oct 8 - Wed, Oct 15
Air Canada Logo
5:55 pm - 10:13 pmYOW-LAS
7h 18m1 stop
Air Canada Logo
4:50 pm - 11:04 amLAS-YOW
15h 14m2 stops
$308Air Canada
Find Deal
Sat, Oct 4 - Sat, Oct 11
Porter Airlines Logo
10:00 am - 2:47 pmYOW-LAS
7h 47m1 stop
Porter Airlines Logo
12:40 pm - 12:41 amLAS-YOW
9h 01m1 stop
$318Porter Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
United Airlines Logo
2:15 pm - 9:47 pmYOW-LAS
10h 32m1 stop
United Airlines Logo
12:59 am - 5:12 pmLAS-YOW
13h 13m2 stops
$319United Airlines
Find Deal
Wed, Feb 4 - Sat, Feb 7

WestJet flights from Ottawa to Las Vegas

Our best WestJet deals on Ottawa to Las Vegas flight tickets
WestJet
Oct 19
YOW5:55 amOttawa
14h 39m
2 stops
LAS5:34 pmLas Vegas Harry Reid Intl
Oct 23
LAS3:55 pmLas Vegas Harry Reid Intl
11h 50m
2 stops
YOW6:45 amOttawa
$261
Find similar
WestJet
Oct 8
YOW5:55 amOttawa
14h 39m
2 stops
LAS5:34 pmLas Vegas Harry Reid Intl
Oct 15
LAS8:00 amLas Vegas Harry Reid Intl
13h 22m
2 stops
YOW12:22 amOttawa
$262
Find similar
WestJet
Oct 16
YOW3:45 pmOttawa
8h 44m
1 stop
LAS9:29 pmLas Vegas Harry Reid Intl
Oct 22
LAS12:35 pmLas Vegas Harry Reid Intl
8h 47m
1 stop
YOW12:22 amOttawa
$263
Find similar

Porter Airlines flights from Ottawa to Las Vegas

Our best Porter Airlines deals on Ottawa to Las Vegas flight tickets
Porter Airlines
Oct 24
YOW5:05 pmOttawa
7h 50m
1 stop
LAS9:55 pmLas Vegas Harry Reid Intl
Oct 27
LAS12:40 pmLas Vegas Harry Reid Intl
9h 01m
1 stop
YOW12:41 amOttawa
$288
Find similar
Porter Airlines
Nov 6
YOW10:00 amOttawa
7h 47m
1 stop
LAS2:47 pmLas Vegas Harry Reid Intl
Nov 11
LAS12:40 pmLas Vegas Harry Reid Intl
9h 01m
1 stop
YOW12:41 amOttawa
$318
Find similar
Porter Airlines
Oct 24
YOW5:05 pmOttawa
7h 50m
1 stop
LAS9:55 pmLas Vegas Harry Reid Intl
Oct 28
LAS12:40 pmLas Vegas Harry Reid Intl
9h 01m
1 stop
YOW12:41 amOttawa
$321
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 24, 2025.
Use the filters below to find and compare flights from Ottawa to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sun 10/19

5:55 am-5:34 pm

2 stops14h 39m

Las Vegas Harry Reid Intl

Thu 10/23

3:55 pm-6:45 am

2 stops11h 50m

$261

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 10/8

5:55 am-5:34 pm

2 stops14h 39m

Las Vegas Harry Reid Intl

Wed 10/15

8:00 am-12:22 am

2 stops13h 22m

$262

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 10/16

3:45 pm-9:29 pm

1 stop8h 44m

Las Vegas Harry Reid Intl

Wed 10/22

12:35 pm-12:22 am

1 stop8h 47m

$263

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 10/8

5:55 am-11:39 am

1 stop8h 44m

Las Vegas Harry Reid Intl

Wed 10/15

9:10 pm-2:44 pm

1 stop14h 34m

$287

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Fri 10/24

5:05 pm-9:55 pm

1 stop7h 50m

Las Vegas Harry Reid Intl

Mon 10/27

12:40 pm-12:41 am

1 stop9h 01m

$288

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 10/23

11:05 am-10:22 pm

1 stop14h 17m

Las Vegas Harry Reid Intl

Mon 10/27

11:30 pm-9:23 am

1 stop6h 53m

$289

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 10/8

5:55 am-11:39 am

1 stop8h 44m

Las Vegas Harry Reid Intl

Wed 10/15

9:10 pm-2:44 pm

1 stop14h 34m

$290

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Sat 10/4

5:55 pm-10:13 pm

1 stop7h 18m

Las Vegas Harry Reid Intl

Sat 10/11

4:50 pm-11:04 am

2 stops15h 14m

$308

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Thu 11/6

10:00 am-2:47 pm

1 stop7h 47m

Las Vegas Harry Reid Intl

Tue 11/11

12:40 pm-12:41 am

1 stop9h 01m

$318

OttawaLas Vegas

YOW - LAS

YOWLAS

Ottawa

Wed 2/4

2:15 pm-9:47 pm

1 stop10h 32m

Las Vegas Harry Reid Intl

Sat 2/7

12:59 am-5:12 pm

2 stops13h 13m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Las Vegas from

How to get the cheapest flight ticket from Ottawa to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from Ottawa, with most prices found around $261. The month of May is another great option to travel to Las Vegas, with average flight prices from Ottawa averaging around $279.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Monday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $272. Flights from Ottawa to Las Vegas on a Thursday will generally be more expensive and average around $493. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $259. Flights to Las Vegas are more costly at noon, with an average ticket price of $400. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ottawa to Las Vegas Harry Reid Intl flight route?

Fly from Ottawa to Las Vegas Harry Reid Intl for the best Ottawa - Las Vegas Harry Reid Intl flight prices

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from Ottawa when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $322 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Ottawa for as low as $285 on momondo.

What cabin class options are available on Ottawa to Las Vegas Harry Reid Intl flights?

There are 1 cabin classes available to choose from on Ottawa to Las Vegas Harry Reid Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Las Vegas flights?

You could potentially save up to 11% on your flight if you consider stops on a Ottawa to Las Vegas flight.

How have Ottawa to Las Vegas flight prices changed over time?

As of August 2025, prices for Ottawa to Las Vegas flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Ottawa to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Las Vegas (YOW to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Las Vegas

Direct flights

None
There are no direct flights from Ottawa to Las Vegas. There are no popular flight routes from Ottawa to Las Vegas.
Search flight deals

  • How far is Ottawa to Las Vegas Harry Reid Intl by plane?

    There are 2134.1 mi between Ottawa and Las Vegas Harry Reid Intl. In terms of flight time, this usually takes a little over 7h 18m.

  • When did momondo last update prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from Ottawa Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ottawa Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ottawa to Las Vegas?

  • What is the most popular airline from Ottawa to Las Vegas?

Best airlines flying from Ottawa to Las Vegas

Compare and see reviews for airlines that fly from Ottawa to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $195Free CancellationRating
7.9
344 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $231Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
WestJetPriceFrom $239Free CancellationRating
7.2
3,050 reviews
Search WestJet flights
United AirlinesPriceFrom $244Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Las Vegas?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Las Vegas for you.

Can I find flights from Ottawa to Las Vegas with flexible booking policies on momondo?

All flight searches from Ottawa to Las Vegas on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ottawa to Las Vegas?

Once you have performed a search for Ottawa to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ottawa to Las Vegas right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Las Vegas, momondo offers a useful price alert feature which will track prices for flights to Las Vegas from Ottawa and alert you when they change.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 8/29
Fri 9/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States